diff --git a/reactos/include/ascii.h b/reactos/include/ascii.h
index d97cb38c1f0..e9667bf4a95 100644
--- a/reactos/include/ascii.h
+++ b/reactos/include/ascii.h
@@ -1037,7 +1037,11 @@ CreateWindowStationA(
     DWORD dwReserved,
     DWORD dwDesiredAccess,
     LPSECURITY_ATTRIBUTES lpsa);
- 
+
+HANDLE STDCALL CreateWaitableTimerA( LPSECURITY_ATTRIBUTES Attributes,
+				     BOOL ManualReset,
+				     LPCTSTR Name );
+  
 HWINSTA
 STDCALL
 OpenWindowStationA(
diff --git a/reactos/include/base.h b/reactos/include/base.h
index 19856f09ca0..5781663479b 100644
--- a/reactos/include/base.h
+++ b/reactos/include/base.h
@@ -394,6 +394,7 @@ typedef WINBOOL CALLBACK (*ENUMWINDOWSPROC) (HWND, LPARAM);
 typedef WINBOOL CALLBACK (*ENUMWINDOWSTATIONPROC) (LPTSTR, LPARAM);
 typedef VOID CALLBACK (*SENDASYNCPROC) (HWND, UINT, DWORD, LRESULT);
 typedef VOID CALLBACK (*TIMERPROC) (HWND, UINT, UINT, DWORD);
+typedef VOID (*PTIMERAPCROUTINE)(PVOID lpArgToCompletionRoutine,DWORD dwTimerLowValue,DWORD dwTimerHighValue);
 typedef FARPROC GRAYSTRINGPROC;
 typedef WINBOOL CALLBACK (*DRAWSTATEPROC) (HDC, LPARAM, WPARAM, int, int);
 typedef WINBOOL CALLBACK (*PROPENUMPROCEX) (HWND, LPCTSTR, HANDLE, DWORD);
diff --git a/reactos/include/funcs.h b/reactos/include/funcs.h
index b019e492f7b..77c82c287e1 100644
--- a/reactos/include/funcs.h
+++ b/reactos/include/funcs.h
@@ -586,6 +586,7 @@ extern "C" {
 #define CreateDialogIndirectParam  CreateDialogIndirectParamA
 #define CreateDialog  CreateDialogA
 #define CreateDialogIndirect  CreateDialogIndirectA
+#define CreateWaitableTimer CreateWaitableTimerA
 #define DialogBoxParam  DialogBoxParamA
 #define DialogBoxIndirectParam  DialogBoxIndirectParamA
 #define DialogBox  DialogBoxA
@@ -4402,7 +4403,14 @@ SetTimer(
 	 UINT uElapse,
 	 TIMERPROC lpTimerFunc);
 
- 
+
+BOOL STDCALL SetWaitableTimer( HANDLE Timer,
+			       const LARGE_INTEGER *duetime,
+			       LONG Period,
+			       PTIMERAPCROUTINE Apcroutine,
+			       LPVOID Param,
+			       BOOL Resume );
+  
 WINBOOL
 STDCALL
 KillTimer(